* {
  margin: 0;
  padding: 0;
  list-style: none;
  text-decoration: none;
  border: none;
}
body {
  background-color: #ccc;
}
.w {
  width: 1200px;
  margin: 0 auto;
}
.slide {
  position: relative;
}
.slide .left {
  width: 200px;
  background-color: #fff;
  position: absolute;
}
.left li{
  line-height: 30px;
  padding-left: 20px;
}
.left li a {
  font-size: 14px;
  color:#666;
}
.left li a:hover{
  color:red;
}
.left li.active{
  background: rgba(153, 153, 153, 0.675)
}
.slide .right{
  position: absolute;
  left:200px;
}
.slide .right div{
  border-left:1px solid #eee;
  display: none;
}

